Improvement in cultivators



WILLIAM W: ANDREW improvement in Cultivators.

Patented March 5, 1812.

UNITED STATES PATENT GFFIon.

WILLIAM W. ANDREW, OF LA FORTE, INDIANA.

IMPROVEMENT IN CULTIVATORS.

Specification forming part of Letters Patent No. 124,241, dated March 5, 1872 antedated February 22,1872.

SPECIFICATION.

To all whom it may concern:

Be it known that I, WILLIAM W. ANDREW, of La Porte, in the county of La Porte and State of Indiana, have invented certain Improvements in Corn-Flows; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing, which, together with the letters and figures marked thereon, forms part of this specification, andin which Figure 1 represents a top or plan view of my invention; Fig. 2, a side elevation of same; Fig. 3, a front view of one of the cleft-shovel standards detached; Fig. 4, a transverse section of the slotted center-beam showing the stay-rod detent; Fig. 5, a front view of the draft attachment detached.

Like letters of reference made use of in the several figures indicate like parts.

To enable those skilled in the art to make and use my invention, I will proceed to describe the same with particularity, making use in so doing of the aforesaid drawing.

General Description.

A is the center-beam, being a continua-tion of the tongue. This beam is made with a vertical longitudinal slot, to, extending from front to rear of the plow. B B are two diverging or diagonal beams attached to the center-beam at a point forming the apex b of the plow. The base of the triangle is formed by the rear frame pieces 0 0, one placed above and the other below, serving to securely tie the parts together? l) are the shovel-standards carrying the usualshovel-plows E. The upper portion of these standards is cleft into two parts, at (1, one of which parts passes on each side of the diagonal beams B, when the standards are in'position, and the standards are secured to said beams by bolts passing laterally through the cleft portions and through the beam. To prevent the parts (I from splitting by the insertion of this bolt, I apply to each of said parts a permanent metal clamp, F, which clasps the edges and side thereof. I usually make these clamps of ordinary castiron molded in proper form, as shown in the drawing, and having a hole drilled or cast therein for the passage of the bolt. This not only obviates the liability to split, but also makes the bearing more durable, and is an inexpensive and practical way of securing the standard to the beams. At the lower portion of the front of the standard and above the shovel is attached the notched plate G, having several graduating notches therein. H are braces, double to each standard, placed one upon each side of said standards and proceeding to a point in front upon the beam B, where each pair is attached by a bolt passing through the two parallel braces and the beam. These braces are attached to the standards as follows: They project for a short distance to the rear of the standards, and a wooden pin, t, prevents said standard from moving backward, while in front of said standard the two braces are kept together by the end of one of the stay-rods, K, which passes through the said parallel braces, and is formed with a shoulder at the inner side, which rests up against the inside brace, while a nut is screwed upon said rod at the outer extremity and up against the outer brace. The said braces are thus, by means of the nut, held firmly against the sides of the standards. The portion of the stay-rod which is between the braces rests in one of the notches of the notched plate G, and the inclination of the standards to the land may be regulated to a greater or lesser angle by changing the stay-rods from one of these notches to another. The stayrods K proceed from the standards to the center-beam A, where they are secured by detents, L, consisting of a vertical bolt, 9', passing down through the slot a, fitted at bottom with the two eyes or loops 6 e to receive the ends of the two stay-rods, one from each side, and at the top passing through the plate land secured by a nut, by means of which said nut the eyes 0 may be drawn into the slot, so as to force the rods against the under surface of the center-beam A and secure them rigidly. M are the handles of the plow made adjustable as to height by means of pins through the supports N The draft attachment, of which a front view is shown at Fig. 5, consists of the two horizontal bars 0 0, connected at the ends by the vertical pieces P, which support the single-trees 19, said vertical pieces being provided with means for attaching the single-trees at greater or less height, as desired. The bar 0 is placed below the frame of the plow and in front, while thebar 0 is placed above said frame and in rear of the bar 0. These bars are made with an enlargement or double curve, 0, at the center, whereby the two bars overlap one another at this point where a king-bolt or pivot, 8, passes through the two bars and center-beam A. When a draft is applied at a low point upon the vertical pieces P the tendency is to twist the bars 0 O apart, but this is counteracted by their position and the leverage obtained by the curved enlargement at the center, by means of which a double bearing is 11 ad to resist the strain. T is a brace extending from one of the vertical pieces P to the other, and secured intermediately at the center to the bar 0 by the king-bolt. This serves to further strengthen the whole device.

WVitnesses:

H. G. SHANNON, 1). A. BRIDGES. 

